489120290 has 8 divisors (see below), whose sum is σ = 880416540. Its totient is φ = 195648112.

The previous prime is 489120271. The next prime is 489120319. The reversal of 489120290 is 92021984.

It can be written as a sum of positive squares in 2 ways, for example, as 401641681 + 87478609 = 20041^2 + 9353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 489120290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24456005 + ... + 24456024.

Almost surely, 2^489120290 is an apocalyptic number.

489120290 is a deficient number, since it is larger than the sum of its proper divisors (391296250).

489120290 is a wasteful number, since it uses less digits than its factorization.

489120290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48912036.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 489120290 is about 22116.0640711678. The cubic root of 489120290 is about 787.9014377227.

The spelling of 489120290 in words is "four hundred eighty-nine million, one hundred twenty thousand, two hundred ninety".